A number cage for a puzzle game.

[musc3]

On my new bv site gtgphoto.com ( still under construction) having a 72 piece puzzle over a picture.What i would like to do is have like a bingo cage caller with the 72 numbers in it and one number would come out on a pre set time,And that number would take the corresponding puzzle peice off the puzzle board automatically.Is that doabale or is that way to complicated.thks in advance ...